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通过小车上的传感器对光源强弱的识别来调整小车前进的方向,顺利到达车库

The TCRT5000 and TCRT500L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light.

CPU如何寻址I/O设备，实现多个I/O设备的识别

光电传感器是指能够将可见光转换成某种电量的传感器。光敏二极管是最常见的光传感器。光敏二极管的外型与一般二极管一样，只是它的管壳上开有一个嵌着玻璃的窗口，以便于光线射入，为增加受光面积，PN结的面积做得较大，光敏二极管工作在反向偏置的工作状态下，并与负载电阻相串联，当无光照时，它与普通二极管一样，反向

Three types of positive voltage regulators for various types of voltage regulator chips and their parameters